Annual report pursuant to Section 13 and 15(d)

Stock-Based Employee Compensation (Details 1)

v2.4.0.6
Stock-Based Employee Compensation (Details 1) (USD $)
 12 Months Ended
Feb. 28, 2013
Feb. 29, 2012
Feb. 28, 2011
Number of Options Outstanding      
Number of Options Outstanding, Beginning Balance (in shares) 26,931,297 29,843,605 34,846,095
Number of Options Outstanding, Granted (in shares) 1,980,260 2,745,309 3,340,413
Number of Options Outstanding, Exercised (in shares) (8,234,324) (3,438,706) (5,100,677)
Number of Options Outstanding, Forfeited (in shares) (207,945) (550,203) (1,331,443)
Number of Options Outstanding, Expired (in shares) (205,210) (1,668,708) (1,910,783)
Number of Options Outstanding, Ending Balance (in shares) 20,264,078 26,931,297 29,843,605
Number of Options Exercisable, Beginning Balance (in shares) 18,198,577 18,148,632 19,277,958
Number of Options Exercisable, Ending Balance (in shares) 13,697,345 18,198,577 18,148,632
Weighted Average Exercise Price      
Options Outstanding, Weighted Average Exercise Price, Beginning Balance (in dollars per share) $ 19.03 $ 18.63 $ 18.05
Options Outstanding, Weighted Average Exercise Price, Granted (in dollars per share) $ 24.65 $ 20.62 $ 16.69
Options Outstanding, Weighted Average Exercise Price, Exercised (in dollars per share) $ 19.18 $ 14.75 $ 12.22
Options Outstanding, Weighted Average Exercise Price, Forfeited (in dollars per share) $ 17.81 $ 16.91 $ 17.42
Options Outstanding, Weighted Average Exercise Price, Expired (in dollars per share) $ 24.11 $ 24.03 $ 22.54
Options Outstanding, Weighted Average Exercise Price, Ending Balance (in dollars per share) $ 19.48 $ 19.03 $ 18.63
Options Exercisable, Weighted Average Exercise Price, Beginning Balance (in dollars per share) $ 20.18 $ 20.31 $ 18.95
Options Exercisable, Weighted Average Exercise Price, Ending Balance (in dollars per share) $ 19.66 $ 20.18 $ 20.31